Australia entered the Vietnam War because Australia feared that they would have to face the spread of Communism.
The common answer was to end the spread of Communism into Southeast Asia.
Soldiers from North Vietnam, South Vietnam, Korea, Australia, and the United States were all effectively trained and prepared for battle in the Vietnam Conflict.
the conflict in North Vietnam
South Korea , Australia and New Zealand .
About 51000 Americans died in the Vietnam conflict.
The US. Australia was part of SEATO (South East Asia Treaty Organization) and ANZUS (Australia New Zealand and United States organization).
Australia had nothing to do with the Vietnam War.
Australia never fought Vietnam.
The US is NOT at war with Iraq. The US was at war with North Vietnam.
I know of no illegal "rugs" that entered south Vietnam but there were illegal Drugs that did enter Vietnam.
You can apply for a Visa through the Embassy of Socialist Republic of Vietnam in Australia. Applications can be made via mail or in person.Or apply online through an agent in Vietnam to get approval letter for visa on arrival if you enter Vietnam via airport.